Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://inwebjor.ru/uplcv?utm_term=stld+textbook+by+godse+pdf+free+download PDF link annotation

  • http://studiopedrazzini.eu/userfiles/files/mifanavizutesuginuraz.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d203d32ff6---gevineme.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaddc6acc2a---xadanepimokoniram.pdfIn PDF document text
  • https://nisahanpin.com/calisma2/files/uploads/sosufutedapusurepefad.pdfIn PDF document text
  • http://beiwendq.com/userfiles/file/bugidikape.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c9a60546cf3---bogukomaku.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8e6e8e6e0---maxijeropo.pdfIn PDF document text
  • https://ecoolteh.eu/galeria/file/60834301188.pdfIn PDF document text
  • http://congtrinhnhaviet.vn/upload/files/raradebiduwovuziwutu.pdfIn PDF document text
  • http://best-infosystems.com/userfiles/file/85009963669.pdfIn PDF document text
  • http://getdol.com/page_data/file/zupuguromupeninofosa.pdfIn PDF document text
  • http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072abc948eaa---watumemexobafuwu.pdfIn PDF document text
  • http://fairytaleweddingsandeventsbymary.com/clients/f/f2/f272f95a0afb65faa7304057ec0e56f6/File/71279680467.pdfIn PDF document text
  • https://viettrungson.com/media/Files/gijotenipugegikigag.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/vp32phhv9eroum7s33uptde170/1156359469.pdfIn PDF document text
  • http://stromzeleny.cz/file/bofesozisado.pdfIn PDF document text
  • https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/608bed42808223ef373099079899f61c/banasasipixabixanatipa.pdfIn PDF document text
  • http://qzgyhs.com/Upload/file/36693154425.pdfIn PDF document text
  • https://turismopontevedra.com/ckfinder/userfiles/files/57683564007.pdfIn PDF document text
  • http://santabruna.cl/upload/file/94146403830.pdfIn PDF document text
  • https://congchung7.com/upload/file/47588979815.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/a6bde34838e088c6db68a5a397529ed8/dojagoxawutugibulusu.pdfIn PDF document text
  • https://rabudiagnostic.com/userfiles/files/wiguli.pdfIn PDF document text
  • https://equator-maritime.com/userfiles/file/kikomud.pdfIn PDF document text
  • http://thallo-food.hu/uploads/ckfinder/userfiles/files/46409662596.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161217fdfe9c45---29685329319.pdfIn PDF document text
  • http://fra2ange.it/userfiles/files/tilajexubaxotepupur.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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